Question:medium
The dose of diphtheria antitoxin (DAT) is:
The dose of diphtheria antitoxin (DAT) is:
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DAT comes in 10,000 IU ampoules and dosing scales up with severity.
Updated On: Jun 23, 2026
- 1000 to 5000 IU
- 10000 to 100000 IU
- 1000 to 2000 IU
- None
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The Correct Option is B
Solution and Explanation
Step 1: Treatment of diphtheria hinges on early neutralisation of toxin using diphtheria antitoxin, a serum preparation dispensed in $10\,000$ IU ampoules stored at $2$ to $8^{\circ}\text{C}$.
Step 2: The amount administered scales with disease severity and the membrane site, so single cases may need several ampoules.
Step 3: Across the spectrum of severity, the accepted dose window spans about $10\,000$ to $100\,000$ IU.
Step 4: Matching this to the choices selects the $10\,000$ to $100\,000$ IU option.\[\boxed{10000\text{-}100000 \text{ IU}}\]
Step 2: The amount administered scales with disease severity and the membrane site, so single cases may need several ampoules.
Step 3: Across the spectrum of severity, the accepted dose window spans about $10\,000$ to $100\,000$ IU.
Step 4: Matching this to the choices selects the $10\,000$ to $100\,000$ IU option.\[\boxed{10000\text{-}100000 \text{ IU}}\]
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